Physics, 18.10.2020 05:01 Jolenesopalski
Car decelerates uniformly and comes to a stop after 10 s. The car's average velocity during deceleration was 50 km/h. What was the car's deceleration while slowing down? Help
Answers: 1
Physics, 21.06.2019 19:00
When the velocity of an object is doubled, by what factor is its momentum changed? by what factor is its kinetic energy changed? a) the momentum is zero. b) the momentum is not zero. c) difficult to say.
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Physics, 21.06.2019 19:30
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.
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Physics, 22.06.2019 13:10
The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)
Answers: 2
Physics, 22.06.2019 23:00
Why does gravity have a lesser than grater effect on higher altitudes?
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Car decelerates uniformly and comes to a stop after 10 s. The car's average velocity during decelera...
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